rar command

Hi all.
I'm Emanuele.
Today I'm compile DVDRip GUI software for DebianPPC.
I'll do it.
But now, the DVDRip software want a dependences.
One of dependences is RAR command.
Why it don't exist for DebianPPC?
Where I found the src for recompile from me?
Bye.
Emanuele.